Portions of a post supportable mail box



FIG. 1 is a perspective view showing front, top and right side portions of our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken-line disclosure found in several of the drawing views is provided for illustrative purposes only and forms no part of the claimed design. 

We claim the ornamental design for portions of a post supportable mail box, as shown and described. 